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Merge pull request #153 from Disasm/ecpix5-add-45f 

ECPIX-5: add option to select ECP5 device
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enjoy-digital 2021-01-24 21:14:14 +01:00 committed by GitHub
parent 23760e2eae a678672fc9
commit 72985c72ca
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2 changed files with 7 additions and 4 deletions
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5
litex_boards/platforms/ecpix5.py
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@ -111,8 +111,9 @@ class Platform(LatticePlatform):
default_clk_name = "clk100"
default_clk_period = 1e9/100e6
def __init__(self, toolchain="trellis", **kwargs):
LatticePlatform.__init__(self, "LFE5UM5G-85F-8BG554I", _io, _connectors, toolchain=toolchain, **kwargs)
def __init__(self, device="85F", toolchain="trellis", **kwargs):
assert device in ["45F", "85F"]
LatticePlatform.__init__(self, f"LFE5UM5G-{device}-8BG554I", _io, _connectors, toolchain=toolchain, **kwargs)
def create_programmer(self):
return OpenOCDJTAGProgrammer("openocd_ecpix5.cfg")

6
litex_boards/targets/ecpix5.py
View File

@ -77,8 +77,8 @@ class _CRG(Module):
# BaseSoC ------------------------------------------------------------------------------------------
class BaseSoC(SoCCore):
def __init__(self, sys_clk_freq=int(75e6), with_ethernet=False, **kwargs):
platform = ecpix5.Platform(toolchain="trellis")
def __init__(self, device="85F", sys_clk_freq=int(75e6), with_ethernet=False, **kwargs):
platform = ecpix5.Platform(device=device, toolchain="trellis")
# SoCCore ----------------------------------------------------------------------------------
SoCCore.__init__(self, platform, sys_clk_freq,
@ -128,6 +128,7 @@ def main():
parser = argparse.ArgumentParser(description="LiteX SoC on ECPIX-5")
parser.add_argument("--build", action="store_true", help="Build bitstream")
parser.add_argument("--load", action="store_true", help="Load bitstream")
parser.add_argument("--device", default="85F", help="ECP5 device (default: 85F)")
parser.add_argument("--sys-clk-freq", default=75e6, help="System clock frequency (default: 75MHz)")
parser.add_argument("--with-sdcard", action="store_true", help="Enable SDCard support")
parser.add_argument("--with-ethernet", action="store_true", help="Enable Ethernet support")
@ -137,6 +138,7 @@ def main():
args = parser.parse_args()
soc = BaseSoC(
device = args.device,
sys_clk_freq = int(float(args.sys_clk_freq)),
with_ethernet = args.with_ethernet,
**soc_core_argdict(args)